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Elbow silencers - Model 123 industrial grade, all welded construction - dB Noise Reduction



  • Fan inlet and outlet silencers
  • Pressure blower silencers
  • Intake silencers on gas turbine systems
  • Ventilation intake and discharge silencers
  • HVAC duct silencers


  • Designed to match the dimensions of the connecting equipment or ductwork
  • No transitions or plenums required
  • Much higher attenuations than straight through silencer designs due to acoustic elbow effect
  • Aerodynamically designed long radius elbow baffle passages (CR = 0.5) for minimum pressure drop


  • Galvanized and stainless steel mesh bird, insect and safety screens
  • Flanges match drilled to connecting equipment or ductwork
  • Mounting brackets, support legs, saddles and feet for silencer installation
  • Access panels and doors for inspection of internals
  • Variety of fabric, film and mesh baffle liners available for different types of service
  • Pressure and flow measurement devices including pressure taps, rings and piezometer tubes

Design options

  • Cleanable/removable baffle designs for dirty applications including special silencers that can be serviced in-situ
  • Tapered transition/evase silencers for attenuation in restricted spaces
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Elbow silencer features

Elbow silencer features - image - dB Noise Reduction

Alternative construction - Model 122 standard grade, sheet metal silencers

Product details


Up to 500,000 acfm


Up to 120" wg


Up to 250° F (standard)
Up to 1,200° F (special)


From 24" X 24" X 36" ctr-line length
to 120" X 120" X 240" ctr-line length

Unit weight:

Up to 20,000 lbs


Carbon, galvanized and stainless steels,
aluminum, special alloys, high temperature
steels, FRP and PVC


14 ga to 3/8" welded casings with 18 ga
acoustic baffles

Paint finishes:

Alkyd, enamel, high heat, inorganic zinc,
epoxy and polyurethane

For other customized silencer designs, please contact us and we will be happy to assist you.


Servicing clients in the US, Canada, Mexico, and many international locations worldwide.